My serial number starts with 103. I hear of problems with the 101 and 102 series of serial numbers and how awesome the 104 series should be. Is the 103 series supposed to be good? What is Sigma changing? Is my AF hunting issue normal or something that a 104 (or later) series would fix?
I'd really appreciate if someone could shed some more light on what's being changed with this lens as it evolves through its production run.
It's more of a firmware update than a redesign. As for your model, I think it's fine. Mine was 1028 in the series and had been specially picked and reprogrammed by Sigma. I was informed at the time that my lens was part of a new series of lenses that was replacing all future versions of this model.
Another issue w/ the 102xxxx series is the AF rollers for the HSM motor die relatively quick (my theory only..no obvious thing like the bubbles), but they'll cover that under warranty.
How will i know if my lens doesnt have a problem? Need help here.. Thanks..
I notice you are also using a D300, as I am, so things should be similar. When I use the lens on my D90 back-up, it's slightly slower but still doesn't hunt.
Are you guys not forgetting an extra number/digit in there somewhere since it is an 8-digit number and not a 7-digit serial number?
As far as Kinematic Digit ho I've been emailing regarding the lens since he too has a Canon mount, he said his number begins with 10028, not the 1028 he wrote above.
Please check your 8-digit serial numbers and let me know if you're a Canon mount owner of this lens and if you have a good Canon mount version.
Thanks.
Sony mount, bought in august this year.
I have a question though, not sure if I should start a new thread but I did search and didn't find any answer. How much front focusing is considered acceptable on this lens? I noticed at 70mm the focus is off about 5-6mm. At 200mm it's front focusing about 2mm.
no problems when combined with a 2x tele.
had the focusing motor go pear shape earlier this year with a repair bill of $600, here in the Land Downunder.. was asking a bit to much from it at the time, so that failure could be partially of my doing.
cheers.
I live in Japan & get my copy 2 weeks ago in the same state of the Sigma head company (Kanagawa)
Serial numbers aren't different for each mount type or each country? : )
ps: i think my copy have problems with open f at closes distance.. recently i haved posted a comparation with differents lenses i have at similar focals.. can anybody check if my test is valid or not please? Thx.
www.flickr.com/photos/pacifist/4011757043/
*my english is fatal & i demore 30 minutes to write this.. lol
This really extends the range of my Sigma 105mm DG EX HSM macro lens (does not work with my 24-70mm DG EX HSM lens, will not physically attach). It increases the magnification (1.4:1), but also increases the minimum focal distance slightly, which can be nice as you can keep a little more distance between you and your subject. Focal depth is extremely narrow in the macro range, but opens back up once you are a foot or more away from the subject. Focus at long distances is still sharp and you can still maintain a wide depth of field.
It is definitely more difficult to maintain stability at close distances, handheld can be very challenging near the minimal focal range. There are a bunch of affordable options on Amazon for macro focusing rails, but I think a simple monopod will be sufficient as certain shots are easier to get by manually focusing and rocking forward and backwards slightly to get the correct plane of focus.
I have a Canon EOS 85mm f/1.2 L II lens. I sold it to someone, they claim it was broken and sent it back. I am trying to prove that the lens I sent to them, is not the one they returned.
From http://regex.info/exif.cgi
My lens has a six digit number XXXXXX. How can I convert 0000020f30 or extract to get the 6 digit serial number?
2 Answers
Nikon Lens Serial Numbers Usa
I tried the Jeffrey's EXIF viewer with three images taken with the same camera (a Canon 50D) and three different lenses. The 'Internal Serial Number' value returned by Jeffrey's EXIF Viewer was the same value for all three images taken with the same camera and three different lenses. Each image was taken with, respectively, a Tamron SP AP 17-50mm f/2.8 XR Di-II, an EF 70-200mm f/2.8 L IS II, and an EF 28-135mm f/3.5-5.6 IS. The two Canon lenses were correctly identified in the 'Lens Model' field (The Tamron was identified as a 'Canon EF 28-70mm f/2.8L or Sigma or Tamron Lens' because many Tamron and Sigma lenses are known to spoof the lens ID for the older EF 28-70mm f/2.8L). This leads me to believe the 'Internal Serial Number' value is a reference to the camera body, not the lens (at least on older Canon bodies that do not differentiate between two different copies of the same lens model for various purposes such as AFMA). Even though the the lens ID immediately precedes the 'Internal Serial Number' value, it may not accurately reflect the serial number of the lens used to create the image. Images taken with my 7D using two different lenses shared the same 'Internal Serial Number' with each other, a different number than the three images taken with three lenses using the 50D shared. Images taken with my 5D mark II have a blank 'Internal Serial Number' value when using Jeffrey's EXIF Viewer.
Many Canon camera bodies have a separate internal serial number that doesn't match the one stamped on the exterior of the camera, at least not when the number in the EXIF is translated using a standard hex to decimal converter. This may also be the case regarding lens ID numbers with bodies that can differentiate between two different copies of the same model lens.
The value for 'Camera Serial Number' in the EXIF maker notes of images taken with my Canon 50D is 5AA411141. Using a standard converter yields a decimal value of 24331227457. Yet the Serial number stamped on the camera body is 1520708485. This number is correctly reported by Digital Photo Professional as the camera's serial number. Irfanview reports the serial number as '1520708485 (5AA411141)'. Hmmm. The HEX number that correlates to the stamped serial number 1520708485 is '5AA42B85'. The first four digits match, but the rest doesn't? This is very interesting, though, because (HEX) 2B85 = (Decimal) 11141! Thus it seems the internal number in the EXIF information is a combination of hex and decimal digits! A four digit hex number (in my case '5AA4') followed by the decimal equivalent of the rest of the hex form of the entire serial number (in my case 11141 which is the decimal equivalent of 2B85)!
The Value for my 7D and 5D II work exactly the same way. If I convert the camera's serial number to Hex, then convert the last four hex digits back to decimal, I get the same value that the maker notes show for the camera serial number: The first four digits of the 8-digit hex number followed by the decimal equivalent of the last four digits of the 8-digit hex number.
Although it doesn't help your situation, the best practice when selling a lens anywhere near the value of an EF 85mm f/1.2 L would be to document the serial number of the lens and the condition it is in before you ship it.
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This number looks like a hexadecimal number. If you put it into a convertor such as this one it will give you a decimal number - in this case 134960. The conversion may or may not be as simple as this but this does give a 6 digit number.
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Sigma issue recall for three popular telephoto zooms
Written by Matt Kimberley Wednesday, 16 June 2010 11:12
Lens manufacturer Sigma has issued a recall of three of its telephoto zoom lenses after discovering autofocus faults that could affect models from certain batches. The three lenses affected are the APO 50-500mm f/4.5-6.3 DG OS HSM, the APO 120-400mm f/4.5-5.6 DG OS HSM and the APO 150-500mm f/5-6.3 DG OS HSM. The number of affected units is likely to be pretty small, but any owners with faulty AF systems will be able to get their lenses fixed free of charge as Sigma try to weed out the 'bad eggs' in the batches. If you're an owner, everything you need to know is here.
PRESS RELEASE
After thorough investigation, we have ascertained that some APO 50-500mm F4.5-6.3 DG OS HSM, APO 120-400mm F4.5-5.6 DG OS HSM and APO 150-500mm F5-6.3 DG OS HSM lenses, produced recently, may have a potential autofocus defect.
This issue could possibly occur in some lenses within the following range of serial numbers:
APO 50-500mm F4.5-6.3 DG OS HSM: Serial numbers between 10633051 and 10972000
APO 120-400mm F4.5-5.6 DG OS HSM: Serial numbers between 10574001 and 10972000
APO 150-500mm F5-6.3 DG OS HSM: Serial numbers between 10674301 and 10972000
This is a limited problem that will not occur in any lenses other than those specifically listed above.
To overcome this issue, we will be offering our customers an inspection and where applicable, a modification service, free of charge. In the case of any autofocus problem becoming apparent on inspection, we will rectify the situation and make every effort to minimise delay and inconvenience.
If you are the owner of one of the above three focal lengths but your serial number is different to those specified above, then you need take no further action. If however you are in possession of one of the lenses with a serial number mentioned above, please contact us on our special helpline 01707 376 795 and we will arrange to collect your lens at no cost to yourself. In the unlikely event that the inspection uncovers a potential problem, your lens will be modified and returned to you absolutely free of charge with the minimum of delay.
We deeply apologise if any inconvenience has been caused to our customers.
For further information, please visit www.sigma-imaging-uk.com/returns, call our helpline on 01707 376 795 or email us at [email protected] This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
www.sigmaphoto.com/news/auto-focusing-issue-affects-limit..
I was just looking at ordering a Sigma 150-500mm now I'm kinda nervous, with my luck it'll be one of the recalled ones and I'll immediately have to send it away for repairs.
Maker | Sigma |
---|---|
Technical data | |
Type | Super-telephotozoom |
Focus drive | Ultrasonic motor |
Focal length | 150-500mm |
Crop factor | 1.0 |
Aperture (max/min) | f/5-6.3-f/22 |
Close focus distance | 220cm |
Max. magnification | 1:5.2 |
Diaphragm blades | 9 |
Construction | 21 elements in 15 groups |
Features | |
Short back focus | No |
Lens-based stabilization | Yes |
Macro capable | No |
Physical | |
Max. length | 252mm |
Diameter | 94.7mm |
Weight | 1780g |
Filter diameter | 86mm |
Retail info | |
MSRP | $1450 USD |
The Sigma APO 150-500mm F5-6.3 DG OS HSM lens is a super-telephoto lens produced by Sigma Corporation. It contains three SLD (Special Low Dispersion) glass elements to provide correction for chromatic aberration. It is aimed toward advanced consumer level photographers, and is available in Nikon, Canon, Pentax and Sigma camera mounts.
Technical information[edit]
The optical construction consists of 21 lens elements divided into 15 groups. The 9-bladed diaphragm begins at f/5 when shooting wide open, progressing towards f/6.3 at 500mm. Night at the museum 2 full movie in hindi dubbed download. As expected with similar long telephoto zoom lenses, optical quality drops off at the extremes of the telephoto range.
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Autofocus is achieved using a moderately fast hypersonic motor for quiet operation. Additionally, all focus elements are internal so in operation the front element does not rotate or extend during focusing, which is useful when a polarizing filter is employed.
Recall[edit]
In 2010, Sigma recalled some lenses due to a 'potential autofocus defect'. Sigma offered customers a modification service, free of charge. Lenses requiring the modification were those with serial numbers between 10674301 and 10972000. Sigma lenses APO 50-500mm F4.5-6.3 DG OS HSM and APO 120-400mm F4.5-5.6 DG OS HSM were also affected.[2]
See also[edit]
References[edit]
- ^APO 150-500mm F5-6.3 DG OS HSM/APO 150-500mm F5-6.3 DG HSM
- ^http://www.dpreview.com/news/2010/6/16/sigmatelephotonotice
External links[edit]
Wikimedia Commons has media related to Taken with Sigma 150-500mm F5-6.3 DG APO OS HSM. |